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Sanjana S.
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Sanjana S.

Expert Full Stack Developer and Backend Engineer

Top Rated Plus -- Ranked Among Top 3% on Upwork Specializing in PHP, MEAN/MERN, Typescript, JavaScript, C++, MySQL, HTML/CSS. I have worked with complex PHP and JS based websites including payment processing, responsive design, and interactions with external services via SOAP/REST APIs. Skills: - OOPS, MVC programming to ensure fast start and easy extension of the application. - JS frameworks: MEAN (Starting from AngularJS 1.0 till current Angular version), MERN stack - PHP frameworks: Laravel, Yii, Yii2, CodeIgniter, Custom PHP - CMS: Wordpress, Magento, Shopify, Opencart, Bigcommerce, Joomla - MySQL and NoSQL (MongoDB/DynamoDB) architecture. PDO interface. Large data operations. - MBaaS including Parse, Firebase, etc. - Data scraping, grabbing. - Files processing (parsing, compilation): CSV, DOC, PDF etc. Import/export of data. - Web service APIs implementation: SOAP, REST, XML, JSON. - HTML5/CSS3, Bootstrap - API Integrations: Payment gateways (Braintree, PayPal, Stripe, Paystack), geolocation, trading bots, etc. - Custom CMS, CRM, Control of leads, orders, website content etc. - Traffic analysis, Statistics, dashboards etc. - Hardware controllers command processing. Remote control through the web. - JavaScript/jQuery powered UI. Browser-side and asynchronous data processing, - Email, fax, SMS sending automation. Easy requests, notifications, polls etc. - Distributed systems. Control many websites from one CMS - Data processing: Filter, sorting, validation, aggregation etc. - Search functions. Autocomplete ready solutions. - Web service security implementation/improvement. Application-level. Protection against SQL injection, XSS, and request forgery/spoofing. Captcha ready solutions. - Sockets (TCP/IP) - Webpack, Vue.js, three.js, Hapi.js - Unit testing (Chai, Mocha) - Expertise in working with AWS (Amazon web services) I am very well versed with development using version controls including SVN, Git, Bitbucket, Jenkins, Docker etc. and Project Management/Bug Tracking Tools like Basecamp, Asana, Trello, Zoho, Mantis, Bugzilla, etc

🇮🇳Mohali, India$25/hr70% JSS5.00 (4)Since Apr 2022

Earnings and projects

MRR (estimate)
≈$0

An estimate from an earlier read

World#53,262 / 412k
🇮🇳Country#8,339 / 45.9k
Revenue, last 30 days
$0
Total earnings
$75k

Billed in all: $78k

World#53,262 / 412k
🇮🇳Country#8,339 / 45.9k
Per project
$25k
Projects, last 6 months
0
World#209,857 / 412k
🇮🇳Country#23,218 / 45.9k
Projects in all
3

Across 4 contracts

0% fixed100% hourly
World#304,143 / 412k
🇮🇳Country#37,108 / 45.9k

Earnings, last 30 days

$78.3kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$77k$78k$79k$80kOct 9Oct 24Nov 8

No data since Nov 5, 2026.

Skills